small refactor of values
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This commit is contained in:
2026-03-14 03:59:11 +01:00
parent 7074345540
commit 9e72a6d2bc
6 changed files with 532 additions and 458 deletions

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@@ -1,6 +1,8 @@
const std = @import("std");
const spv = @import("spv.zig");
const op = @import("opcodes.zig");
const lib = @import("lib.zig");
const Value = @import("Value.zig").Value;
const Runtime = @import("Runtime.zig");
const RuntimeError = Runtime.RuntimeError;
@@ -10,17 +12,17 @@ const SpvByte = spv.SpvByte;
const SpvWord = spv.SpvWord;
const SpvBool = spv.SpvBool;
pub const Vec4f32 = @Vector(4, f32);
pub const Vec3f32 = @Vector(3, f32);
pub const Vec2f32 = @Vector(2, f32);
const Vec4f32 = lib.Vec4f32;
const Vec3f32 = lib.Vec3f32;
const Vec2f32 = lib.Vec2f32;
pub const Vec4i32 = @Vector(4, i32);
pub const Vec3i32 = @Vector(3, i32);
pub const Vec2i32 = @Vector(2, i32);
const Vec4i32 = lib.Vec4i32;
const Vec3i32 = lib.Vec3i32;
const Vec2i32 = lib.Vec2i32;
pub const Vec4u32 = @Vector(4, u32);
pub const Vec3u32 = @Vector(3, u32);
pub const Vec2u32 = @Vector(2, u32);
const Vec4u32 = lib.Vec4u32;
const Vec3u32 = lib.Vec3u32;
const Vec2u32 = lib.Vec2u32;
pub const Variant = enum {
String,
@@ -77,427 +79,6 @@ const Decoration = struct {
index: SpvWord,
};
pub const Value = union(Type) {
Void: struct {},
Bool: bool,
Int: struct {
bit_count: usize,
value: extern union {
sint8: i8,
sint16: i16,
sint32: i32,
sint64: i64,
uint8: u8,
uint16: u16,
uint32: u32,
uint64: u64,
},
},
Float: struct {
bit_count: usize,
value: extern union {
float16: f16,
float32: f32,
float64: f64,
},
},
Vector: []Value,
Vector4f32: Vec4f32,
Vector3f32: Vec3f32,
Vector2f32: Vec2f32,
Vector4i32: Vec4i32,
Vector3i32: Vec3i32,
Vector2i32: Vec2i32,
Vector4u32: Vec4u32,
Vector3u32: Vec3u32,
Vector2u32: Vec2u32,
Matrix: []Value,
Array: []Value,
RuntimeArray: struct {
type_word: SpvWord,
data: []u8,
},
Structure: []Value,
Function: noreturn,
Image: struct {},
Sampler: struct {},
SampledImage: struct {},
Pointer: struct {
ptr: union(enum) {
common: *Value,
f32_ptr: *f32,
i32_ptr: *i32, //< For vector specializations
u32_ptr: *u32,
},
runtime_array_window: ?[]u8 = null,
},
pub inline fn getCompositeDataOrNull(self: *const Value) ?[]Value {
return switch (self.*) {
.Vector, .Matrix, .Array, .Structure => |v| v,
else => null,
};
}
pub fn init(allocator: std.mem.Allocator, results: []const Self, target: SpvWord) RuntimeError!Value {
const resolved = results[target].resolveType(results);
const member_count = resolved.getMemberCounts();
return switch (resolved.variant.?) {
.Type => |t| switch (t) {
.Bool => .{ .Bool = false },
.Int => |i| .{ .Int = .{
.bit_count = i.bit_length,
.value = .{ .uint64 = 0 },
} },
.Float => |f| .{ .Float = .{
.bit_count = f.bit_length,
.value = .{ .float64 = 0 },
} },
.Vector => |v| blk: {
var self: Value = .{ .Vector = allocator.alloc(Value, member_count) catch return RuntimeError.OutOfMemory };
errdefer self.deinit(allocator);
for (self.Vector) |*value| {
value.* = try Value.init(allocator, results, v.components_type_word);
}
break :blk self;
},
.Vector4f32 => .{ .Vector4f32 = Vec4f32{ 0.0, 0.0, 0.0, 0.0 } },
.Vector3f32 => .{ .Vector3f32 = Vec3f32{ 0.0, 0.0, 0.0 } },
.Vector2f32 => .{ .Vector2f32 = Vec2f32{ 0.0, 0.0 } },
.Vector4i32 => .{ .Vector4i32 = Vec4i32{ 0, 0, 0, 0 } },
.Vector3i32 => .{ .Vector3i32 = Vec3i32{ 0, 0, 0 } },
.Vector2i32 => .{ .Vector2i32 = Vec2i32{ 0, 0 } },
.Vector4u32 => .{ .Vector4u32 = Vec4u32{ 0, 0, 0, 0 } },
.Vector3u32 => .{ .Vector3u32 = Vec3u32{ 0, 0, 0 } },
.Vector2u32 => .{ .Vector2u32 = Vec2u32{ 0, 0 } },
.Matrix => |m| blk: {
var self: Value = .{ .Matrix = allocator.alloc(Value, member_count) catch return RuntimeError.OutOfMemory };
errdefer self.deinit(allocator);
for (self.Matrix) |*value| {
value.* = try Value.init(allocator, results, m.column_type_word);
}
break :blk self;
},
.Array => |a| blk: {
var self: Value = .{ .Array = allocator.alloc(Value, member_count) catch return RuntimeError.OutOfMemory };
errdefer self.deinit(allocator);
for (self.Array) |*value| {
value.* = try Value.init(allocator, results, a.components_type_word);
}
break :blk self;
},
.Structure => |s| blk: {
var self: Value = .{ .Structure = allocator.alloc(Value, member_count) catch return RuntimeError.OutOfMemory };
errdefer self.deinit(allocator);
for (self.Structure, s.members_type_word) |*value, member_type_word| {
value.* = try Value.init(allocator, results, member_type_word);
}
break :blk self;
},
.RuntimeArray => |a| .{
.RuntimeArray = .{
.type_word = a.components_type_word,
.data = &.{},
},
},
else => unreachable,
},
else => unreachable,
};
}
/// Performs a deep copy
pub fn dupe(self: *const Value, allocator: std.mem.Allocator) RuntimeError!Value {
return switch (self.*) {
.Vector => |v| .{
.Vector = blk: {
const values = allocator.dupe(Value, v) catch return RuntimeError.OutOfMemory;
for (values, v) |*new_value, value| new_value.* = try value.dupe(allocator);
break :blk values;
},
},
.Matrix => |m| .{
.Matrix = blk: {
const values = allocator.dupe(Value, m) catch return RuntimeError.OutOfMemory;
for (values, m) |*new_value, value| new_value.* = try value.dupe(allocator);
break :blk values;
},
},
.Array => |a| .{
.Array = blk: {
const values = allocator.dupe(Value, a) catch return RuntimeError.OutOfMemory;
for (values, a) |*new_value, value| new_value.* = try value.dupe(allocator);
break :blk values;
},
},
.Structure => |s| .{
.Structure = blk: {
const values = allocator.dupe(Value, s) catch return RuntimeError.OutOfMemory;
for (values, s) |*new_value, value| new_value.* = try value.dupe(allocator);
break :blk values;
},
},
else => self.*,
};
}
pub fn read(self: *const Value, output: []u8) RuntimeError!usize {
switch (self.*) {
.Bool => |b| {
output[0] = if (b == true) 1 else 0;
return 1;
},
.Int => |i| {
switch (i.bit_count) {
8 => output[0] = @bitCast(i.value.uint8),
16 => std.mem.copyForwards(u8, output[0..], std.mem.asBytes(&i.value.uint16)),
32 => std.mem.copyForwards(u8, output[0..], std.mem.asBytes(&i.value.uint32)),
64 => std.mem.copyForwards(u8, output[0..], std.mem.asBytes(&i.value.uint64)),
else => return RuntimeError.InvalidValueType,
}
return @divExact(i.bit_count, 8);
},
.Float => |f| {
switch (f.bit_count) {
16 => std.mem.copyForwards(u8, output[0..], std.mem.asBytes(&f.value.float16)),
32 => std.mem.copyForwards(u8, output[0..], std.mem.asBytes(&f.value.float32)),
64 => std.mem.copyForwards(u8, output[0..], std.mem.asBytes(&f.value.float64)),
else => return RuntimeError.InvalidValueType,
}
return @divExact(f.bit_count, 8);
},
.Vector4f32 => |vec| {
inline for (0..4) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 4 * 4;
},
.Vector3f32 => |vec| {
inline for (0..3) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 3 * 4;
},
.Vector2f32 => |vec| {
inline for (0..2) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 2 * 4;
},
.Vector4i32 => |vec| {
inline for (0..4) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 4 * 4;
},
.Vector3i32 => |vec| {
inline for (0..3) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 3 * 4;
},
.Vector2i32 => |vec| {
inline for (0..2) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 2 * 4;
},
.Vector4u32 => |vec| {
inline for (0..4) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 4 * 4;
},
.Vector3u32 => |vec| {
inline for (0..3) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 3 * 4;
},
.Vector2u32 => |vec| {
inline for (0..2) |i| {
std.mem.copyForwards(u8, output[(i * 4)..], std.mem.asBytes(&vec[i]));
}
return 2 * 4;
},
.Vector,
.Matrix,
.Array,
.Structure,
=> |values| {
var offset: usize = 0;
for (values) |v| {
offset += try v.read(output[offset..]);
}
return offset;
},
else => return RuntimeError.InvalidValueType,
}
return 0;
}
pub fn writeConst(self: *Value, input: []const u8) RuntimeError!usize {
return self.write(@constCast(input));
}
pub fn write(self: *Value, input: []u8) RuntimeError!usize {
switch (self.*) {
.Bool => |*b| {
b.* = if (input[0] != 0) true else false;
return 1;
},
.Int => |*i| {
switch (i.bit_count) {
8 => i.value.uint8 = @bitCast(input[0]),
16 => std.mem.copyForwards(u8, std.mem.asBytes(&i.value.uint16), input[0..2]),
32 => std.mem.copyForwards(u8, std.mem.asBytes(&i.value.uint32), input[0..4]),
64 => std.mem.copyForwards(u8, std.mem.asBytes(&i.value.uint64), input[0..8]),
else => return RuntimeError.InvalidValueType,
}
return @divExact(i.bit_count, 8);
},
.Float => |*f| {
switch (f.bit_count) {
16 => std.mem.copyForwards(u8, std.mem.asBytes(&f.value.float16), input[0..2]),
32 => std.mem.copyForwards(u8, std.mem.asBytes(&f.value.float32), input[0..4]),
64 => std.mem.copyForwards(u8, std.mem.asBytes(&f.value.float64), input[0..8]),
else => return RuntimeError.InvalidValueType,
}
return @divExact(f.bit_count, 8);
},
.Vector4f32 => |*vec| {
inline for (0..4) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 4 * 4;
},
.Vector3f32 => |*vec| {
inline for (0..3) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 3 * 4;
},
.Vector2f32 => |*vec| {
inline for (0..2) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 2 * 4;
},
.Vector4i32 => |*vec| {
inline for (0..4) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 4 * 4;
},
.Vector3i32 => |*vec| {
inline for (0..3) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 3 * 4;
},
.Vector2i32 => |*vec| {
inline for (0..2) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 2 * 4;
},
.Vector4u32 => |*vec| {
inline for (0..4) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 4 * 4;
},
.Vector3u32 => |*vec| {
inline for (0..3) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 3 * 4;
},
.Vector2u32 => |*vec| {
inline for (0..2) |i| {
const start = i * 4;
const end = (i + 1) * 4;
if (start >= input.len or end > input.len) return RuntimeError.OutOfBounds;
std.mem.copyForwards(u8, std.mem.asBytes(&vec[i]), input[start..end]);
}
return 2 * 4;
},
.Vector,
.Matrix,
.Array,
.Structure,
=> |*values| {
var offset: usize = 0;
for (values.*) |*v| {
offset += try v.write(input[offset..]);
}
return offset;
},
.RuntimeArray => |*arr| arr.data = input[0..],
else => return RuntimeError.InvalidValueType,
}
return 0;
}
pub fn flushPtr(self: *Value, allocator: std.mem.Allocator) RuntimeError!void {
switch (self.*) {
.Pointer => |*p| {
if (p.runtime_array_window) |window| {
switch (p.ptr) {
.common => |ptr| {
_ = try ptr.read(window);
ptr.deinit(allocator);
allocator.destroy(ptr);
},
else => {},
}
}
p.runtime_array_window = null;
},
else => {},
}
}
fn deinit(self: *Value, allocator: std.mem.Allocator) void {
switch (self.*) {
.Vector, .Matrix, .Array, .Structure => |values| {
for (values) |*value| value.deinit(allocator);
allocator.free(values);
},
else => {},
}
}
};
pub const TypeData = union(Type) {
Void: struct {},
Bool: struct {},